中文说明：CS压缩传感的初级教学代码，使用OMP重构，已注释，包括1维信号，2维图像的重构，分别使用dct和小波稀疏，列扫描和分块法进行omp重构
English Description：
CS compressed sensing primary teaching code, using OMP reconstruction, annotated, including 1-D signal, 2-D image reconstruction, respectively using DCT and wavelet sparse, column scanning and block method for OMP reconstruction